Added support for specificing the eye mapping and seperation between the

horizontal and veritical split stereo modes.

Renamed osg::Image::ensureDimensionArePowerOfTwo() to osg::Image::ensureValidSizeForTexturing().

src/osg/Texture.cpp

@@ -331,7 +331,7 @@ void Texture::applyTexImage(GLenum target, Image* image, State& state) const
 
 
     if (_subloadMode == OFF)
-        image->ensureDimensionsArePowerOfTwo();
+        image->ensureValidSizeForTexturing();
 
     glPixelStorei(GL_UNPACK_ALIGNMENT,image->packing());